Toyota Highlander 2019 — technical service bulletin
Bulletin T-SB-0042-19 · NHTSA communication 10159707 · issued Apr 11, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
2
vehicle entries
Official summary
TSB: Some 2019 model year Highlander and Highlander Hybrid vehicles equipped with JBL audio may exhibit inoperative navigation voice prompts and/or button beeps with the setting ON. Updated amplifiers are available through the exchange program to address this condition. Follow the Repair Procedure in this bulletin to address this condition.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.